Traces of SARS-CoV-2 (green) in the cells lining people’s intestines three months after infection. Credit:

Immune system of recovered COVID-19 patients may evolve to fight coronavirus variants: Study

A monarch butterfly is seen at El Rosario sanctuary for monarch butterflies in the western state of Michoacan, near Ocampo, Mexico February 3, 2020.

Question Corner: How do butterflies fly with such small bodies and large wings?

Leading the way: At 1.82 lakh vaccinations as on January 22, Karnataka has the most number in the country, followed by Andhra Pradesh (1.27 lakh) and Odisha (1.21 lakh).

CoWIN glitches also responsible for low vaccine uptake

R. Prasad

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Impact: Frequent flash droughts can have deleterious effects on crop production in India.

More flash droughts in India by end of century

Aswathi Pacha
Number one: The Sind krait (seen in the picture) has been identified as the snake with the most potent venom in India.

Lookalike snakes but with self-styled venoms

Shubashree Desikan
Two to three weeks after treatment, the previously paralyzed mice began to walk. Credit: Lehrstuhl für Zellphysiologie

German scientists make paralysed mice walk again


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